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Navien Tankless Water Heaters 30028670A Sight Glass Assembly

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2  Reviews Add Your Review
Special Price $19.60 Regular Price $25.48
In stock
SKU
30028670A
The NAVIEN TANKLESS WATER HEATERS 30028670A Sight Glass Assembly is a viewing element that would enable visual inspection of internal operation in the HVAC Systems. It has a clear window to monitor the presence of flame and combustion conditions under normal working of the equipment. It is fitted to heating units that are compatible and is fitted within the sealed housing without any changes to the original setup. It is used in servicing or replacing, and will assist in proper monitoring without disassembling. Being a vital component, it supports ensuring the controlled operation and verifies the appropriate operations under normal commercial conditions.
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Manufacturer:
https://www.partshnc.com/media/catalog/product/3/0/30028670a.jpg

Specifications

  • Type: Sight Glass Assembly
  • Size: 2-1/4"x3/4"
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Product Questions (2)
Customer Questions
What maintenance is required for the Navien 30028670A Sight Glass Assembly?

Regularly inspect the sight glass for cracks, clouding, or mineral buildup. Clean gently with a soft cloth and mild solution to maintain clear visibility. Ensure seals and gaskets are intact to prevent leaks. Always turn off the water heater and allow it to cool before maintenance.

What are common issues with the Navien 30028670A Sight Glass Assembly?

  • Cracked or damaged glass.
  • Clouding or reduced visibility.
  • Leaks around seals or connections.
  • Misalignment affecting system monitoring.

Installation Steps

Step1: Turn off power and water supply to the tankless heater.

Step2: Relieve system pressure and drain water before beginning.

Step3: Remove the old sight glass assembly from the designated port.

Step4: Install the new sight glass assembly, ensuring seals and gaskets are positioned correctly.

Step5: Tighten fittings, restore water and power, and check for leaks and proper operation.